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      <a href="/2017/06/30/angular2-free-13-dynamic-list/" title="玩转Angular2(13)--动态列表配置" itemprop="url">玩转Angular2(13)--动态列表配置</a>
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    <time datetime="2017-06-30T13:11:18.000Z" itemprop="datePublished">2017-06-30</time>
    更新日期:<time datetime="2018-12-18T15:31:30.896Z" itemprop="dateModified">2018-12-18</time>
    
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			<strong class="toc-title">文章目录</strong>
		<ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#动态列表"><span class="toc-number">1.</span> <span class="toc-text">动态列表</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#基本功能"><span class="toc-number">1.1.</span> <span class="toc-text">基本功能</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#html模版"><span class="toc-number">1.2.</span> <span class="toc-text">html模版</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#js逻辑"><span class="toc-number">1.3.</span> <span class="toc-text">js逻辑</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#实例演示"><span class="toc-number">1.4.</span> <span class="toc-text">实例演示</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#结束语"><span class="toc-number">2.</span> <span class="toc-text">结束语</span></a></li></ol>
		</div>
		
		<p>因为项目原因又玩上了Angular2(v4.0+)，《玩转Angular2》系列用于探索一些灵活或者新的用法。<br>本文讲述封装动态列表，通过配置文件生成列表的过程。<br><a id="more"></a></p>
<h2 id="动态列表"><a href="#动态列表" class="headerlink" title="动态列表"></a>动态列表</h2><hr>
<h3 id="基本功能"><a href="#基本功能" class="headerlink" title="基本功能"></a>基本功能</h3><p>前面我们花了很大的篇幅来制作动态表单的生成和配置，这里我们将制作动态列表的生成。<br>动态列表相对简单，这里我们提供以下功能：</p>
<ul>
<li>创建</li>
<li>编辑</li>
<li>删除</li>
<li>查看（默认）</li>
</ul>
<p>前面的增删改则是可选的，我们通过配置来定义包含的功能：</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">export</span> interface IListConfig &#123;</div><div class="line">    <span class="attr">function</span>: string[]; <span class="comment">// ['add', 'edit', 'remove']</span></div><div class="line">    content: IList[]; <span class="comment">// 列表展示内容</span></div><div class="line">&#125;</div></pre></td></tr></table></figure>
<p>这里面有个列表展示内容，通常我们的列表除了基本的序号列和操作列，其余的我们都会需要以下的参数：</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">export</span> interface IList &#123;</div><div class="line">    <span class="attr">title</span>: string; <span class="comment">// 列名</span></div><div class="line">    key: string; <span class="comment">// 该列数据对应的key</span></div><div class="line">&#125;</div></pre></td></tr></table></figure>
<h3 id="html模版"><a href="#html模版" class="headerlink" title="html模版"></a>html模版</h3><p>通常本骚年创建一些模块或是组件，会先从html模版开始，我们把期望的样子列出来，就能知道还缺哪些功能啦。</p>
<ol>
<li>列表</li>
</ol>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div></pre></td><td class="code"><pre><div class="line"><span class="tag">&lt;<span class="name">a</span> <span class="attr">class</span>=<span class="string">"btn btn-info"</span> *<span class="attr">ngIf</span>=<span class="string">"hasFunction('add')"</span> (<span class="attr">click</span>)=<span class="string">"edit(-1)"</span>&gt;</span>新建<span class="tag">&lt;/<span class="name">a</span>&gt;</span></div><div class="line"><span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"row"</span> *<span class="attr">ngIf</span>=<span class="string">"(listConfig &amp;&amp; listConfig.content &amp;&amp; listConfig.content.length)"</span>&gt;</span></div><div class="line">    <span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"col-md-6"</span>&gt;</span></div><div class="line">        <span class="tag">&lt;<span class="name">table</span> <span class="attr">class</span>=<span class="string">"table table-bordered table-striped"</span>&gt;</span></div><div class="line">            <span class="tag">&lt;<span class="name">thead</span>&gt;</span></div><div class="line">            <span class="tag">&lt;<span class="name">tr</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">th</span>&gt;</span>序号<span class="tag">&lt;/<span class="name">th</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">th</span> *<span class="attr">ngFor</span>=<span class="string">"let li of listConfig.content"</span>&gt;</span>&#123;&#123;li.title&#125;&#125;<span class="tag">&lt;/<span class="name">th</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">th</span> *<span class="attr">ngIf</span>=<span class="string">"hasFunction('edit') || hasFunction('remove')"</span>&gt;</span>操作<span class="tag">&lt;/<span class="name">th</span>&gt;</span></div><div class="line">            <span class="tag">&lt;/<span class="name">tr</span>&gt;</span></div><div class="line">            <span class="tag">&lt;/<span class="name">thead</span>&gt;</span></div><div class="line">            <span class="tag">&lt;<span class="name">tbody</span>&gt;</span></div><div class="line">            <span class="tag">&lt;<span class="name">tr</span> *<span class="attr">ngFor</span>=<span class="string">"let data of dataModel; let i = index;"</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">td</span>&gt;</span>&#123;&#123;i+1&#125;&#125;<span class="tag">&lt;/<span class="name">td</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">td</span> *<span class="attr">ngFor</span>=<span class="string">"let li of listConfig.content"</span>&gt;</span>&#123;&#123;data[li.key]&#125;&#125;<span class="tag">&lt;/<span class="name">td</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">td</span> *<span class="attr">ngIf</span>=<span class="string">"hasFunction('edit') || hasFunction('remove')"</span>&gt;</span></div><div class="line">                    <span class="tag">&lt;<span class="name">a</span> <span class="attr">class</span>=<span class="string">"btn btn-default"</span> *<span class="attr">ngIf</span>=<span class="string">"hasFunction('edit')"</span> (<span class="attr">click</span>)=<span class="string">"edit(i)"</span>&gt;</span>编辑<span class="tag">&lt;/<span class="name">a</span>&gt;</span></div><div class="line">                    <span class="tag">&lt;<span class="name">a</span> <span class="attr">class</span>=<span class="string">"btn btn-danger"</span> *<span class="attr">ngIf</span>=<span class="string">"hasFunction('remove')"</span> (<span class="attr">click</span>)=<span class="string">"dataModel.splice(i, 1)"</span>&gt;</span>删除<span class="tag">&lt;/<span class="name">a</span>&gt;</span></div><div class="line">                <span class="tag">&lt;/<span class="name">td</span>&gt;</span></div><div class="line">            <span class="tag">&lt;/<span class="name">tr</span>&gt;</span></div><div class="line">            <span class="tag">&lt;/<span class="name">tbody</span>&gt;</span></div><div class="line">        <span class="tag">&lt;/<span class="name">table</span>&gt;</span></div><div class="line">    <span class="tag">&lt;/<span class="name">div</span>&gt;</span></div><div class="line"><span class="tag">&lt;/<span class="name">div</span>&gt;</span></div></pre></td></tr></table></figure>
<p>这里我们可以看出：</p>
<ul>
<li><code>hasFunction()</code>: 检测是否有某功能并显示</li>
<li><code>listConfig</code>: 列表配置，格式符合以上<code>IListConfig</code></li>
<li><code>edit()</code>: 编辑或新建功能，新建传入参数-1</li>
<li><code>dataModel</code>: 列表的内容</li>
</ul>
<ol>
<li>编辑对话框</li>
</ol>
<p>我们还需要一个编辑对话框，里面是之前封装好的动态表单，故我们还需要创建一个表单配置<code>ICustomControl[]</code>。</p>
<figure class="highlight html"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div></pre></td><td class="code"><pre><div class="line"><span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"modal"</span> *<span class="attr">ngIf</span>=<span class="string">"hasFunction('edit') || hasFunction('add')"</span> [<span class="attr">hidden</span>]=<span class="string">"!isShown"</span>&gt;</span></div><div class="line">    <span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"modal-dialog"</span> <span class="attr">role</span>=<span class="string">"document"</span>&gt;</span></div><div class="line">        <span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"modal-content"</span>&gt;</span></div><div class="line">            <span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"modal-header"</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">button</span> <span class="attr">type</span>=<span class="string">"button"</span> <span class="attr">class</span>=<span class="string">"close"</span> <span class="attr">data-dismiss</span>=<span class="string">"modal"</span> <span class="attr">aria-label</span>=<span class="string">"Close"</span> (<span class="attr">click</span>)=<span class="string">"isShown = false;"</span>&gt;</span><span class="tag">&lt;<span class="name">span</span> <span class="attr">aria-hidden</span>=<span class="string">"true"</span>&gt;</span>&amp;times;<span class="tag">&lt;/<span class="name">span</span>&gt;</span><span class="tag">&lt;/<span class="name">button</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">h4</span> <span class="attr">class</span>=<span class="string">"modal-title"</span>&gt;</span>&#123;&#123;isEdit &gt; -1 ? '编辑' : '新建'&#125;&#125;<span class="tag">&lt;/<span class="name">h4</span>&gt;</span></div><div class="line">            <span class="tag">&lt;/<span class="name">div</span>&gt;</span></div><div class="line">            <span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"modal-body"</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">dynamic-form</span> *<span class="attr">ngIf</span>=<span class="string">"isShown"</span> [<span class="attr">config</span>]=<span class="string">"formConfig"</span> [(<span class="attr">model</span>)]=<span class="string">"formModel"</span>&gt;</span><span class="tag">&lt;/<span class="name">dynamic-form</span>&gt;</span></div><div class="line">            <span class="tag">&lt;/<span class="name">div</span>&gt;</span></div><div class="line">            <span class="tag">&lt;<span class="name">div</span> <span class="attr">class</span>=<span class="string">"modal-footer"</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">button</span> <span class="attr">type</span>=<span class="string">"button"</span> <span class="attr">class</span>=<span class="string">"btn btn-default"</span> <span class="attr">data-dismiss</span>=<span class="string">"modal"</span> (<span class="attr">click</span>)=<span class="string">"isShown = false;"</span>&gt;</span>取消<span class="tag">&lt;/<span class="name">button</span>&gt;</span></div><div class="line">                <span class="tag">&lt;<span class="name">button</span> <span class="attr">type</span>=<span class="string">"button"</span> <span class="attr">class</span>=<span class="string">"btn btn-primary"</span> [<span class="attr">disabled</span>]=<span class="string">"!formModel.valid"</span> (<span class="attr">click</span>)=<span class="string">"save()"</span>&gt;</span>保存<span class="tag">&lt;/<span class="name">button</span>&gt;</span></div><div class="line">            <span class="tag">&lt;/<span class="name">div</span>&gt;</span></div><div class="line">        <span class="tag">&lt;/<span class="name">div</span>&gt;</span></div><div class="line">    <span class="tag">&lt;/<span class="name">div</span>&gt;</span></div><div class="line"><span class="tag">&lt;/<span class="name">div</span>&gt;</span></div></pre></td></tr></table></figure>
<p>这里我们知道:</p>
<ul>
<li><code>isShown</code>: 控制对话框显示，以及动态表单的创建</li>
<li><code>hasFunction()</code>: 同上，检测是否有某功能并显示</li>
<li><code>save()</code>: 保存修改或新建</li>
<li><code>formConfig</code>: 动态表单的配置</li>
</ul>
<h3 id="js逻辑"><a href="#js逻辑" class="headerlink" title="js逻辑"></a>js逻辑</h3><p>通过上面的模版，我们大概知道需要哪些功能：</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div><div class="line">37</div><div class="line">38</div><div class="line">39</div><div class="line">40</div><div class="line">41</div><div class="line">42</div><div class="line">43</div><div class="line">44</div><div class="line">45</div><div class="line">46</div></pre></td><td class="code"><pre><div class="line">@Component(&#123;</div><div class="line">    <span class="attr">selector</span>: <span class="string">'dynamic-list'</span>,</div><div class="line">    <span class="attr">templateUrl</span>: <span class="string">'./dynamic-list.component.html'</span>,</div><div class="line">&#125;)</div><div class="line"><span class="keyword">export</span> <span class="class"><span class="keyword">class</span> <span class="title">DynamicListComponent</span> </span>&#123;</div><div class="line">    <span class="comment">// 需要输入以下配置内容，其中dataModel和formModel可选</span></div><div class="line">    @Input() listConfig: IListConfig;</div><div class="line">    @Input() formConfig: ICustomControl[] = [];</div><div class="line">    @Input() dataModel: any = [];</div><div class="line">    @Input() formModel: any = [];</div><div class="line"></div><div class="line">    isShown: boolean = <span class="literal">false</span>; <span class="comment">// 对话框显示</span></div><div class="line">    isEdit: number = <span class="number">-1</span>; <span class="comment">// 正在编辑的index，新建为-1</span></div><div class="line"></div><div class="line">    <span class="comment">// 判断是否有某个功能['add', 'edit', 'remove']</span></div><div class="line">    hasFunction(fun: string) &#123;</div><div class="line">        <span class="keyword">if</span> (<span class="keyword">this</span>.listConfig &amp;&amp; <span class="keyword">this</span>.listConfig.function) &#123;</div><div class="line">            <span class="keyword">return</span> <span class="keyword">this</span>.listConfig.function.indexOf(fun) &gt; <span class="number">-1</span>;</div><div class="line">        &#125;</div><div class="line">        <span class="keyword">return</span> <span class="literal">false</span>;</div><div class="line">    &#125;</div><div class="line"></div><div class="line">    <span class="comment">// 编辑，传入-1为新建</span></div><div class="line">    edit(index: number) &#123;</div><div class="line">        <span class="keyword">this</span>.isEdit = index;</div><div class="line">        <span class="keyword">if</span> (index &gt; <span class="number">-1</span>) &#123;</div><div class="line">            <span class="comment">// 深度拷贝对象</span></div><div class="line">            <span class="keyword">this</span>.formModel = ObjectCopy(<span class="keyword">this</span>.dataModel[index]);</div><div class="line">        &#125; <span class="keyword">else</span> &#123;</div><div class="line">            <span class="keyword">this</span>.formModel = &#123;&#125;;</div><div class="line">        &#125;</div><div class="line">        <span class="keyword">this</span>.isShown = <span class="literal">true</span>;</div><div class="line">    &#125;</div><div class="line"></div><div class="line">    <span class="comment">// 保存修改，若新建则添加</span></div><div class="line">    save() &#123;</div><div class="line">        <span class="comment">// 深度拷贝对象</span></div><div class="line">        <span class="keyword">const</span> model = ObjectCopy(<span class="keyword">this</span>.formModel);</div><div class="line">        <span class="keyword">if</span> (<span class="keyword">this</span>.isEdit &gt; <span class="number">-1</span>) &#123;</div><div class="line">            <span class="keyword">this</span>.dataModel[<span class="keyword">this</span>.isEdit] = model;</div><div class="line">        &#125; <span class="keyword">else</span> &#123;</div><div class="line">            <span class="keyword">this</span>.dataModel.push(model);</div><div class="line">        &#125;</div><div class="line">        <span class="keyword">this</span>.isShown = <span class="literal">false</span>;</div><div class="line">    &#125;</div><div class="line">&#125;</div></pre></td></tr></table></figure>
<p>至于针对对象的深拷贝，其实也不是很难的：</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">export</span> <span class="function"><span class="keyword">function</span> <span class="title">ObjectCopy</span>(<span class="params">newObj</span>) </span>&#123;</div><div class="line">    <span class="keyword">const</span> obj = <span class="built_in">Object</span>.assign(&#123;&#125;, newObj);</div><div class="line">    <span class="keyword">if</span> (newObj) &#123;</div><div class="line">        <span class="built_in">Object</span>.keys(newObj).map(<span class="function"><span class="params">key</span> =&gt;</span> &#123;</div><div class="line">            <span class="comment">// 当obj里面有对象时，则递归拷贝</span></div><div class="line">            <span class="keyword">if</span> (newObj[key] &amp;&amp; !(newObj[key] <span class="keyword">instanceof</span> <span class="built_in">Array</span>) &amp;&amp; <span class="keyword">typeof</span> newObj[key] === <span class="string">'object'</span>) &#123;</div><div class="line">                obj[key] = ObjectCopy(newObj[key]);</div><div class="line">            &#125; <span class="keyword">else</span> &#123;</div><div class="line">                obj[key] = newObj[key];</div><div class="line">            &#125;</div><div class="line">        &#125;);</div><div class="line">    &#125;</div><div class="line">    <span class="keyword">return</span> obj;</div><div class="line">&#125;</div></pre></td></tr></table></figure>
<h3 id="实例演示"><a href="#实例演示" class="headerlink" title="实例演示"></a>实例演示</h3><p>这里假设我们需要以下这样的列表：</p>
<ol>
<li>可进行增删查改。</li>
<li>包括名字、性别和备注。</li>
</ol>
<p>我们的配置文件如下：</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div><div class="line">8</div><div class="line">9</div><div class="line">10</div><div class="line">11</div><div class="line">12</div><div class="line">13</div><div class="line">14</div><div class="line">15</div><div class="line">16</div><div class="line">17</div><div class="line">18</div><div class="line">19</div><div class="line">20</div><div class="line">21</div><div class="line">22</div><div class="line">23</div><div class="line">24</div><div class="line">25</div><div class="line">26</div><div class="line">27</div><div class="line">28</div><div class="line">29</div><div class="line">30</div><div class="line">31</div><div class="line">32</div><div class="line">33</div><div class="line">34</div><div class="line">35</div><div class="line">36</div><div class="line">37</div><div class="line">38</div></pre></td><td class="code"><pre><div class="line"><span class="comment">// 对话框表单配置</span></div><div class="line"><span class="keyword">export</span> <span class="keyword">const</span> formConfig: ICustomControl[] = [</div><div class="line">    &#123;</div><div class="line">        <span class="attr">type</span>: <span class="string">'text'</span>,</div><div class="line">        <span class="attr">label</span>: <span class="string">'名字'</span>,</div><div class="line">        <span class="attr">key</span>: <span class="string">'name'</span>,</div><div class="line">        <span class="attr">validations</span>: [&#123;</div><div class="line">            <span class="attr">type</span>: <span class="string">'required'</span>,</div><div class="line">            <span class="attr">message</span>: <span class="string">'名字必填'</span></div><div class="line">        &#125;]</div><div class="line">    &#125;, &#123;</div><div class="line">        <span class="attr">type</span>: <span class="string">'radio'</span>,</div><div class="line">        <span class="attr">label</span>: <span class="string">'性别'</span>,</div><div class="line">        <span class="attr">key</span>: <span class="string">'gender'</span>,</div><div class="line">        <span class="attr">options</span>: [</div><div class="line">            &#123;<span class="attr">id</span>: <span class="string">'male'</span>, <span class="attr">text</span>: <span class="string">'男'</span>&#125;,</div><div class="line">            &#123;<span class="attr">id</span>: <span class="string">'female'</span>, <span class="attr">text</span>: <span class="string">'女'</span>&#125;</div><div class="line">        ]</div><div class="line">    &#125;, &#123;</div><div class="line">        <span class="attr">type</span>: <span class="string">'text'</span>,</div><div class="line">        <span class="attr">label</span>: <span class="string">'备注'</span>,</div><div class="line">        <span class="attr">key</span>: <span class="string">'remark'</span></div><div class="line">    &#125;</div><div class="line">];</div><div class="line"><span class="comment">// 列表配置</span></div><div class="line"><span class="keyword">export</span> <span class="keyword">const</span> listConfig: IListConfig = &#123;</div><div class="line">    <span class="attr">function</span>: [<span class="string">'add'</span>, <span class="string">'edit'</span>, <span class="string">'remove'</span>],</div><div class="line">    <span class="attr">content</span>: [&#123;</div><div class="line">        <span class="attr">key</span>: <span class="string">'name'</span>,</div><div class="line">        <span class="attr">title</span>: <span class="string">'名字'</span></div><div class="line">    &#125;, &#123;</div><div class="line">        <span class="attr">key</span>: <span class="string">'gender'</span>,</div><div class="line">        <span class="attr">title</span>: <span class="string">'性别'</span></div><div class="line">    &#125;, &#123;</div><div class="line">        <span class="attr">key</span>: <span class="string">'remark'</span>,</div><div class="line">        <span class="attr">title</span>: <span class="string">'备注'</span></div><div class="line">    &#125;]</div><div class="line">&#125;;</div></pre></td></tr></table></figure>
<p>这里我们需要主要的是，若希望编辑或创建的对象在列表中能展示，需要两者的key值一致。<br>效果图如下：</p>
<p><img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/1496746103%281%29.png" alt="image"></p>
<p><img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/1496746132%281%29.png" alt="image"></p>
<h2 id="结束语"><a href="#结束语" class="headerlink" title="结束语"></a>结束语</h2><hr>
<p>项目中表单配置部分大致的实现也是差不多告一段落啦，后面可能更多的是补充和优化而已。<br>而其实项目还可以多种拓展呢，像这样的添加配置像（validations和hiddenWhen）也可以通过抽象做成更加通用的功能。<br><a href="https://github.com/godbasin/godbasin.github.io/tree/blog-codes/angular2-free/13-dynamic-list" target="_blank" rel="external">此处查看项目代码</a><br><a href="http://angular2-free.godbasin.com/13-dynamic-list/index.html#/home/page-setting" target="_blank" rel="external">此处查看页面效果</a></p>
  
		
		<p style="margin-top:50px;">查看Github有更多内容噢：<a href="https://github.com/godbasin">https://github.com/godbasin</a></p>
	</div>
	<img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/2code2.jpg" width="200" height="200" style="display:block;margin: 0 auto;" />
	<p style="text-align: center;margin-top: 10px;margin-bottom: 20px;">码生艰难，写文不易，给我家猪囤点猫粮了喵~</p>
	<div class="author-right">
  		<p>作者：被删</p>
  		<p>出处：<a href="https://godbasin.github.io">https://godbasin.github.io</a></p>
  		<p>本文版权归作者所有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。</p>
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  <ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#动态列表"><span class="toc-number">1.</span> <span class="toc-text">动态列表</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#基本功能"><span class="toc-number">1.1.</span> <span class="toc-text">基本功能</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#html模版"><span class="toc-number">1.2.</span> <span class="toc-text">html模版</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#js逻辑"><span class="toc-number">1.3.</span> <span class="toc-text">js逻辑</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#实例演示"><span class="toc-number">1.4.</span> <span class="toc-text">实例演示</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#结束语"><span class="toc-number">2.</span> <span class="toc-text">结束语</span></a></li></ol>
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